High severity · published Jan 8, 2018
CVE-2015-2318
The TLS stack in Mono before 3.12.1 allows man-in-the-middle attackers to conduct message skipping attacks and consequently impersonate clients by leveraging missing handshake…
8.1
CVSS
2%
EPSS
No
On KEV
Description
The TLS stack in Mono before 3.12.1 allows man-in-the-middle attackers to conduct message skipping attacks and consequently impersonate clients by leveraging missing handshake state validation, aka a "SMACK SKIP-TLS" issue.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
6.0 · source: NVD
MO
Mono · Mono-project
before 3.12.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-2318
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-2318
Vendor Advisory
http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/
Mailing List
http://www.openwall.com/lists/oss-security/2015/03/17/9
Third Party Advisory
http://www.securityfocus.com/bid/73253
Third Party Advisory
http://www.ubuntu.com/usn/USN-2547-1
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1202869
Third Party Advisory
https://github.com/mono/mono/commit/1509226c41d74194c146deb173e752b8d3cdeec4
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